Muzzle brake



FIG. 1 is a top, front, left side perspective view of an embodiment of a muzzle brake in accordance with the present disclosure; and,

FIG. 2 is a top, front, left side perspective view of the muzzle brake of FIG. 1, the muzzle brake being shown on an example firearm.

The broken lines in the Figures are for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a muzzle brake, as shown and described. 